- Russia has suffered 100,000 casualties since December, a top White House official said, citing US intelligence.
- John Kirby revealed that 20,000 Russian troops have been killed fighting in eastern Ukraine.
- The latest casualty rate reflects a significant increase in troop losses for Moscow's military.
Russian forces have suffered over 100,000 casualties during intense and brutal fighting in eastern Ukraine over the past five months, a top White House official revealed on Monday, highlighting a notable increase in Moscow's troop losses.